Exploració per autor "Rakhshani, Elyas"
Ara es mostren els items 1-20 de 24
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An active power self-synchronizing controller for grid-connected converters emulating inertia
Remón, D.; Mir Cantarellas, Antonio; Rakhshani, Elyas; Candela García, José Ignacio; Rodríguez Cortés, Pedro (Institute of Electrical and Electronics Engineers (IEEE), 2014)
Text en actes de congrés
Accés restringit per política de l'editorialRenewable energy sources are increasing their penetration in power systems, making necessary new control systems that offer services usually provided only by conventional generators. In this paper, an active power controller ... -
An active power synchronization control loop for grid-connected converters
Remón, D.; Mir Cantarellas, Antonio; Rakhshani, Elyas; Candela García, José Ignacio; Rodríguez Cortés, Pedro (Institute of Electrical and Electronics Engineers (IEEE), 2014)
Text en actes de congrés
Accés restringit per política de l'editorialThe increasing penetration of renewable energy sources in power systems requires new control systems that provide services similar to those of conventional generators. This paper proposes an active power controller that ... -
Analysis and control of multi–area HVDC interconnected power systems by using virtual inertia
Rakhshani, Elyas (Universitat Politècnica de Catalunya, 2016-12-14)
Tesi
Accés obertVirtual inertia is known as an inevitable part of the modern power systems. Recent trend of research is oriented in different methods of emulating virtual inertia in different part of the systems. This dissertation is ... -
Analysis of derivative control based virtual inertia in multi-area high-voltage direct current interconnected power systems
Rakhshani, Elyas; Remon, Daniel; Mir Cantarellas, Antonio; Rodríguez Cortés, Pedro (2016-05-12)
Article
Accés obertDue to increasing level of power converter-based component and consequently the lack of inertia, automatic generation control (AGC) of interconnected systems is experiencing different challenges. To cope with this challenging ... -
Analysis of derivative control based virtual inertia in multi-area HVDC interconnected AGC power systems
Rakhshani, Elyas; Remón, D.; Mir Cantarellas, Antonio; Rodríguez Cortés, Pedro (2016-02-04)
Article
Accés obertDue to increasing level of power converter based component in the grid and consequently the lack of inertia, AGC in multi area interconnected power systems are experiencing different challenges. To cope with this challenging ... -
Application of imperialist competitive algorithm to design an optimal controller for LFC problem
Rakhshani, Elyas; Luna Alloza, Álvaro; Rouzbehi, Kumars; Rodríguez Cortés, Pedro (2012)
Text en actes de congrés
Accés restringit per política de l'editorialA novel optimization algorithm is presented to improve the design of optimal controllers for load frequency control problem. This algorithm is applied for two area LFC system with using an output feedback controller. In ... -
Derivative based inertia emulation of interconnected systems considering phase-locked loop dynamics
Rakhshani, Elyas; Remon, Daniel; Mir Cantarellas, Antonio; Mehrjerdi, H.; Rodríguez Cortés, Pedro (2016)
Text en actes de congrés
Accés restringit per política de l'editorialRecent trend of research is oriented in different methods of emulating the inertia to increase the sustainability of the system. In the case of dynamic performance of power systems especially in frequency control of ... -
Design of the LCL+trap filter for the two-level VSC installed in a large-scale wave power plant
Mir Cantarellas, Antonio; Rakhshani, Elyas; Remón, D.; Rodríguez Cortés, Pedro (2013)
Text en actes de congrés
Accés restringit per política de l'editorialThis paper presents a methodology for designing the link passive filter of the power converters installed in a multi-megawatt wave power plant. Such filter is based on the superposition of both LCL and trap filter ... -
Effect of VSC-HVDC on load frequency control in multi-area power system
Rakhshani, Elyas; Luna Alloza, Álvaro; Rouzbehi, Kumars; Rodríguez Cortés, Pedro; Etxeberria Otadui, Ion (2012)
Text en actes de congrés
Accés restringit per política de l'editorialThis study presents a solution for reducing the frequency oscillations in multi-area interconnected power system by means of using an VSC-HVDC interconnection transmission line. The upcoming power-electronics based HVDC ... -
Electromechanical design of synchronous power controller in grid integration of renewable power converters to support dynamic stability
Abdollahi, Mostafa; Candela García, José Ignacio; Tarraso Martínez, Andrés; Atef Abbas Elsaharty, Mohamed; Rakhshani, Elyas (2021-04-10)
Article
Accés obertNowadays, modern power converters installed in renewable power plants can provide flexible electromechanical characteristics that rely on the developed control technologies such as Synchronous Power Controller (SPC). Since ... -
Flexible smart energy-management systems using an online tendering process framework for microgrids
Selseleh Jonban, Mansour; Romeral Martínez, José Luis; Rakhshani, Elyas; Marzband, Mousa (2023-07-01)
Article
Accés obertCurrently, modern power grids are evolving into complex cyber-physical systems integrated with distributed energy resources that can be controlled and monitored by computer-based algorithms. Given the increasing prevalence ... -
Frequency and voltage partitioning in presence of renewable energy resources for power system (example: North Chile power network)
Mehrjerdi, H.; Al-Emadi, N. A.; Rakhshani, Elyas; Rodríguez Cortés, Pedro (2016)
Text en actes de congrés
Accés obertThis paper investigates techniques for frequency and voltage partitioning of power network based on the graph-theory. These methods divide the power system into distinguished regions to avoid the spread of disturbances and ... -
Frequency control of HVDC interconnected system considering derivative based inertia emulation
Rakhshani, Elyas; Mehrjerdi, Hasan; Remon, Daniel; Mir Cantarellas, Antonio; Rodríguez Cortés, Pedro (2016)
Text en actes de congrés
Accés restringit per política de l'editorialThis paper proposes an new approach for modeling and analysis the dynamic effects of virtual inertia on two-area AC/DC interconnected AGC power systems. Inertia emulation is known as key factor for modern power systems. ... -
Grid connection control of VSC-based high power converters for wave energy applications
Mir Cantarellas, Antonio; Rakhshani, Elyas; Remón, D.; Rodríguez Cortés, Pedro (2013)
Text en actes de congrés
Accés restringit per política de l'editorialIn the wave energy sector, an increasing concern regarding the grid connection of wave energy converters is recently being experienced, as well as in the main challenges resulting from the grid integration of large scale ... -
Grid connection design and control of LCL+Trap filter based two-level VSC for wave power plant applications
Mir Cantarellas, Antonio; Rakhshani, Elyas; Remón, D.; Luna Alloza, Álvaro; Rodríguez Cortés, Pedro (2013)
Text en actes de congrés
Accés restringit per política de l'editorialThis paper presents a filter design methodology and control design strategy for LCL+Trap filters deployed in large scale wave power plants. This filter topology appears as an alternative for the widely used LCL filters, ... -
Heuristic optimization of supplementary controller for VSC-HVDC/AC interconnected grids considering PLL
Rakhshani, Elyas; Rouzbehi, Kumars; Atef Abbas Elsaharty, Mohamed; Rodríguez Cortés, Pedro (Taylor & Francis, 2017-01-01)
Article
Accés obertThis paper presents a new approach to enhance the dynamic responses of AGC in power systems by means of heuristic optimization of VSC-HVDC supplementary controllers. The upcoming power electronics-based VSC-HVDC transmission ... -
Identification and local linear control of a DC-DC buck converter using local model networks
Rouzbehi, Kumars; Miranian, Arash; Rakhshani, Elyas; Luna Alloza, Álvaro; Rodríguez Cortés, Pedro (IEEEXPLORE, 2013)
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Accés restringit per política de l'editorial -
Inertia emulation in AC/DC interconnected power systems using derivative technique considering frequency measurement effects
Rakhshani, Elyas; Rodríguez Cortés, Pedro (2017-09-05)
Article
Accés obertVirtual inertia is known as an inevitable part of the modern power systems with high penetration of renewable energy. Recent trend of research is oriented in different methods of emulating the inertia to increase the ... -
Integration of renewable generation for frequency support of HVDC/AC interconnected systems under power market scenario
Rakhshani, Elyas; Remón, D.; Mir Cantarellas, Antonio; Rouzbehi, Kumars; Rodríguez Cortés, Pedro (2014)
Comunicació de congrés
Accés restringit per política de l'editorialThis paper proposes a modified model for active power/ frequency support of multi-area power system analysis that takes into account the effects of AC/DC systems under deregulated environment of the power market. The AC ... -
Modeling and control of multi modular converters using optimal LQR controller with integral action
Rakhshani, Elyas; Mir Cantarellas, Antonio; Remón, D.; Rodríguez Cortés, Pedro; Candela García, José Ignacio (Institute of Electrical and Electronics Engineers (IEEE), 2013)
Text en actes de congrés
Accés restringit per política de l'editorialA new application of LQR controller with the ability of reference tracking for a multi modular converter with several cells is proposed. First, the mathematical model for the grid connected MMC is presented and then, ...